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Class A Fire Fighting Foam

Description

Class A Fire Fighting Foam

A Class A fire fighting foam lowers the surface tension of the water, which assists in the wetting and saturation of Class A fuels. This in turn, aids fire suppression and can prevent reignition.

These types of foams do not contain any fluorine or silicon. Also, they have a great wetting capability in very low concentration, allowing soaking into solid substrates (wood, cardboard…) accelerating the extinguishing process and reinforcing the resistance to reignition.

Class A foams are specially indicated to be used in CAFS (Compressed Air Foam Systems), obtaining very uniform and wet foam (Expansion Ratio 1-10) as well as dry foam (Expansion Ratio 10-20). Fast cooling and a very low environmental impact make them ideal for fighting urban fires.

Download the Fire Response – VS Focum foams PDF Brochure when deciding on the most appropriate foam for a particular application.

0.1-1% BoldFoam A+ (Class A fire fighting foam)

The triple effect on water of this foam concentrate can be summarised as follows:

  • speeds up the extinguishing process as less water is used to fight the fire, than without the additives
  • goes deeper into the combustible material which results in a more secure and effective extinguishing and deters glowing which usually results in burnback
  • a stable and homogeneous foam is formed easily because of its surfactants characteristics
  • the draintime of the foam with fresh or sea water is low which provides additional protection.

Fire Brigades, Mining, Aerial Application download data sheet

EN 1568-1+3 (IIIC) (Urban)

0.1-1% WhitEx Forest Fire Retardant

Fire Brigades, Aerial Application download data sheet

Although they can be considered as a Class A fire fighting foam, short-term forest fire retardants deserve a special consideration by the field-of-use. They have to be used at mixing ratios between 0.1% and 1% depending if the foam is used as a wetting agent or if it is preferred to be applied as structural foam, stuck to trees and bushes to extinguish the fire and confer greater resistance to reignition.

They should be able to be used in land-systems (foam nozzles, fog-stream, high pressure) as well as air-systems (planes, helicopters, hydroplanes).

Due to the systems they are used in, these Class A foams must possess good anti-corrosion properties in materials such as iron, brass, aluminium, magnesium, etc. which are commonly used in the aeronautical sector. Importantly, they also need to have the lowest environmental impact possible, to allow for the re-germination of plants in the treated territory.

Now distributing all over Indonesia and Oceania.

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